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Question:
An optimistic model for a battery is just an ideal seat of EMF. A further realistic model commonly used to model actual batteries is
Answer:
Note that the internal resistance in sequence with the ideal seat of EMF is still a model. The battery both preserves a potential difference and provides resistance to any charge that may flow through it. Although the two effects in practice cannot be separated from each other. The complete material of the battery contributes to the resistance. The battery just acts similar to a resistor in series with an ideal seat of EMF. A battery can certainly not physically be separated into a resistor and an ideal seat of EMF.
show that in a glass prism that the refractive index n = sin1/2(A+Dmin)/sin1/2A where a = refracting angle. hence if the angle of incidence i on oan air boundary is 60degrees. calc
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(i) It is also known as impure semiconductor. (ii) The phenomena of adding impurity is known as Doping.
A rectangular rosette is mounted on a test structure as shown, loads are applied, and the following strains are measured by strain gage elements 1, 2, and 3: ε 1 = 1500 μm/ m ε
Cathode rays, discovered by Sir Willium Crooke are the stream of electrons. They may be given by using a discharge tube containing gas at a low pressure of the order of 10-2 mm of
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1. Krusty the Clown and Sideshow Bob have covered themselves in velcro, and shot themselves out of a large cannon so that they stick to a huge rotating velcro wheel (don't try this
The potential difference created across the P-N junction due to the diffusion of electron and holes is called potential barrier. For and for silicon On the average the
One side of impregnated paper capacitors is sprayed with metal. When such paper is rolled, its gives higher capacitance for a given value. This capacitor has a self healing proper
how to do this project
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